More on academic Amy Bishop who 'allegedly' starting firing at her colleagues in a faculty meeting at the University of Alabama, killing three:

A family source said Bishop, a mother of four children - the youngest a third-grade boy - was a far-left political extremist who was “obsessed” with President Obama to the point of being off-putting.

But Mercedes Paz, a Brookline biochemist who also oversaw Bishop’s work in 1993, described her as a friend and a likable woman.